Interference phenomena at backscattering by ice crystals of irregular shape

Alexander V. Konoshonkin; Natalia V. Kustova; Anatoli G. Borovoi

doi:10.1117/12.2204872

19 November 2015 Interference phenomena at backscattering by ice crystals of irregular shape

Alexander V. Konoshonkin, Natalia V. Kustova, Anatoli G. Borovoi

Proceedings Volume 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics; 96802V (2015) https://doi.org/10.1117/12.2204872
Event: XXI International Symposium Atmospheric and Ocean Optics. Atmospheric Physics, 2015, Tomsk, Russian Federation

Abstract

It is shown that light backscattering by hexagonal ice crystals of cirrus clouds is formed by both diffraction and interference phenomena. Diffraction determines the angular width of the backscattering peak and interference produces the interference rings inside the peak. By use of a simplest model for distortion of the pristine hexagonal shape, we show that the shape distortion leads to both oscillations of the scattering (Mueller) matrix within the backscattering peak and to a strong increase of the depolarization, color, and lidar ratios needed for interpretation of lidar signals.

Citation Download Citation

Alexander V. Konoshonkin, Natalia V. Kustova, and Anatoli G. Borovoi "Interference phenomena at backscattering by ice crystals of irregular shape", Proc. SPIE 9680, 21st International Symposium Atmospheric and Ocean Optics: Atmospheric Physics, 96802V (19 November 2015); https://doi.org/10.1117/12.2204872

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